Planet Photo Screensaver
Photo Screensavers bring you a new dimension in presenting pictures that prompt the imagination and recall memories. While your computer is idle, five full size pictures taken from outer space will give you the opportunity to see how beautiful our planet is. ... Don't miss the chance to "fly" in outer space with Planet Screensaver.
http://www.photoscreensavers.us/Planet%20Demo.exe - 1Mb - Download - Screenshot

pivique Astrology
Right from the start pivique Astrology was designed for PDA’s and is therefore especially geared to mobile demands. Among other things, we have attached particular importance to the precise calculation of the planets’ positions as well as to an accurate handling of the available storage devices. ... )   * 12 aspects, exact orbis for aspects/planets seperately adjustable   * Traditional Factors (Elements, Qualities, Rulers, ... ... )   * Geographical Database     - approximately 240 countries and thousands of provinces/regions     - more than 436.
http://www.pivique.com/astrology/bin/astrology_arm.zip - 5Mb - Download - Screenshot

PrettyMap
View maps of Earth and other planets with PrettyMap! See current day and night areas, learn geography with the quiz, enjoy 3D elevation surfaces, measure distances between locations and create your own maps with special places! PrettyMap lets you view vector and raster maps and images (such as... PrettyMap is a GIS program with the following features: - support for vector maps (points, lines, areas) - support for raster maps (terrain elevation and bathymetry, images, symbolic) - handles multi-attribute data associated with vector map objects - displays maps of various planets - free maps...
http://www.prettymap.com/PrettyMap.zip - 2Mb - Download - Screenshot

EasySky
Astronomy software, shows you the complete night sky (340,000 stars) and our solar system in a 3D orrery view with the planets, asteroids, and comets from any place at any time. All settings can be saved in different documents. Animations let you understand the motions of the celestial bodies or... The demo version contains less objects and some minor restrictions. ... Printing.
http://www.easysky.de/eng/download/esd30115eng.exe - 6Mb - Download - Screenshot

Planet Mars 3D Screensaver
Mars has always fascinated people. Its red, fiery appearance is mysterious and intriguing. Many believed in the existence of an ancient race of Martians that appeared in numerous sci-fi stories. However with new data coming from space probes, a growing number of scientists now believe that life... The planet? ... s two moons, Phobos and Deimos, were named after the dogs of the Roman god Mars. ... Roughly two-thirds of all spacecraft destined for Mars have failed for no apparent reason. ... You do not have to worry though because this screensaver will get you there safely.
http://www.space-screensavers.com/files/planetmars3d.exe - 3Mb - Download - Screenshot

Astro-Mania
Astro-Mania teaches all the important facts about 38 astronomical objects such as planets and stars. It has a learning database that includes essays, images, and lists of all the important facts for each of the 38 space objects. The space objects include the nine planets, stars and star types,... Astro-Mania includes one study level and seven game levels. ... The seven game levels allow the player to advance sequentially, to master one level before tackling another. ... Each level includes a ranking so that players know exactly how they rate.
http://www.sheppardsoftware.com/downloads/astrom3.exe - 125Kb - Download - Screenshot

The Earth is our homeland
Free 3D ScreenSaver. The Earth is our homeland, or third planet from the sun. We can imagine view from space on our planet, and it sight extraordinarily is beautiful!
http://freestone-group.com/download/EarthScreensaverSetup.exe - 1Mb - Download - Screenshot

Weird Planet
This game is a murderous action where the main character is to pass several levels to escape from the unknown planet inhabited by various monsters. It is necessary to stay alive to pass the level. Get the scores for the killed enemies. These scores are important for holding the records, as well... If your score is among the Top 10, you can upload it to our Web site and thousands of other players all over the world will be able to see your highscore! ... Are you up for the challenge? ... Download Weird Planet and Play for Free!
http://www.myplaycity.com/files/wplanetsetup.exe - 3Mb - Download - Screenshot

euphOrbit
euphOrbit version 1. 0 is a simple tool designed to simulate the motions of planetary bodies in space. The primary design philosophy of this program was that it had to simulate asteroids speeding through our Solar System close to "true life". Initial positions of planets and asteroids are... The bodies are then plotted as they move according to the laws of gravitation.
http://mjab2002.republika.pl/setup.exe - 0b - Download - Screenshot

Orbit Xplorer
Educational orbit and gravitation simulator for high school, college and beginning university physics and astronomy. Input mass, radius, coordinates and velocity components of 2 to 10 bodies manually or by dragging and dropping predefined bodies. Then watch how the orbits evolve under the mutual... Uses actual pictures of planets. ... View time, distances, speeds, accelerations, energies and acceleration vectors as they change. ... Plot orbits in a plane or in 3D. ... Adjust the simulation speed to fit your computer.
http://www.ottisoft.com/orbitx20.exe - 3Mb - Download - Screenshot